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Finding the Fourth Proportional to 94,697.92, 130,633.92 and 76,813.12

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Solution

The fourth proportional to 94,697.92, 130,633.92 and 76,813.12 is: 105,962.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,697.92 : 130,633.92 = 76,813.12 : x
  2. Step 2: Convert to fraction form
    94,697.92/130,633.92 = 76,813.12/x
  3. Step 3: Cross multiply
    94,697.92x = 130,633.92 × 76,813.12
  4. Step 4: Simplify right side
    94,697.92x = 10,034,398,973.03
  5. Step 5: Solve for x
    x = 10,034,398,973.03/94,697.92
  6. Step 6: Final answer
    x = 105,962.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.